lecture 19: community ecology

Question 1

intra specific competition

Answer 1

competition between individuals of the same species
conspecifics

Question 2

inter specific competition

Answer 2

competition between individuals of different species
heterospecifics

Question 3

lotka volterra model

Answer 3

prey consumption rate is proportional to abundance
predator feeding is only limited by number of prey
competition between species must be weaker than competition within species

Question 4

exploitative competition

Answer 4

depletion of shared resource

Question 5

interference competition

Answer 5

direct interactions

Question 6

niche partitioning

Answer 6

natural selection drives competing species into different patterns of resource use or different niches

Question 7

plankton paradox

Answer 7

limited range of resources supports wide range of species

Question 8

character displacement

Answer 8

evolutionary change that occurs when two similar species inhabit the same environment